100166730 has 32 divisors (see below), whose sum is σ = 240974784. Its totient is φ = 26647296.

The previous prime is 100166699. The next prime is 100166743. The reversal of 100166730 is 37661001.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100166730.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9522 + ... + 17058.

It is an arithmetic number, because the mean of its divisors is an integer number (7530462).

Almost surely, 2^100166730 is an apocalyptic number.

100166730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100166730 is an abundant number, since it is smaller than the sum of its proper divisors (140808054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100166730 is a wasteful number, since it uses less digits than its factorization.

100166730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7990.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 100166730 is about 10008.3330280322. Note that the first 3 decimals coincide. The cubic root of 100166730 is about 464.4167041615.

The spelling of 100166730 in words is "one hundred million, one hundred sixty-six thousand, seven hundred thirty".